Eruption history
VEI – Volcanic Explosivity Index: 0 = lava outpouring, 4 = like Eyjafjallajökull 2010, 6 = like Pinatubo 1991, 7 = like Tambora 1815. The scale is logarithmic – each step is about 10 times more material.
| Start | End | VEI | Vent and dating |
|---|---|---|---|
| 18 July 1918 | 1 December 1919 | 3 | Observations: Reported |
| 27 August 1904 | — | 2 | Observations: Reported |
| 17 April 1904 | 18 April 1904 | 2 | Observations: Reported |
| 16 July 1895 | 26 December 1895 | 2 | Observations: Reported |
| 6 September 1889 | 9 September 1889 | 2 | Observations: Reported |
| 23 April 1835 | 26 April 1835 | 2 | Observations: Reported |
Data: Global Volcanism Program, Smithsonian Institution (#267030)